Individual provider Active NPI

Harsha Kaza, MD

  • Internal Medicine Physician
  • Zion, IL
National Provider Identifier
1598786436
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
46268 Issued in WI
Practice address
3115 Lewis Ave
Zion, IL 60099-3099
Phone
(847) 746-3752
NPI assigned
Jul 23, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 46268 WI Primary
Internal Medicine Physician 207R00000X 036-110833 IL

Addresses

Primary practice location

3115 Lewis Ave
Zion, IL 60099-3099

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other practice location 1

515 22nd Ave
Monroe, WI 53566-1569
Phone (608) 324-2000

Other identifiers 10

IdentifierTypeStateIssuer
13561OtherDEAN HEALTH PLAN
1043509OtherPHYSICIANS PLUS
390808509OtherCIGNA
90002361OtherWEA INS
390808509OtherWPS
390808509OtherCT GENERAL
34466000MedicaidWI
P00151657OtherMEDICARE RAILROAD
34466000OtherHIRSP
390808509CWOtherUNITY

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address hkaza361214@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, IL2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20040414001695 WI Practitioner - Internal Medicine 7214922814 Reassigns benefits to 2 organizations
I20050518000972 IL Practitioner - Internal Medicine 7214922814 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Amg Illinois LTDGroup PAC ID 8527117027, 24 clinicians

Practice addresses (Care Compare)

3115 Lewis Ave
Zion, IL 60099-3096
Phone (847) 746-3752

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036-110833ILMDInternal Medicine Physician
46268WIMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince Jun 1, 2023 Accepting new patients
Amg Illinois LTD Internal Medicine CurrentSince Nov 4, 2022 Accepting new patients
Amg Illinois LTD CurrentSince Nov 4, 2022 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Jun 1, 2023 Accepting new patients
Aurora Medical Group, Inc. Internal Medicine Current Accepting new patients
Ascension Medical Group-Southeast Wisconsin Inc Internal Medicine CurrentSince Sep 12, 2011 Accepting new patients

Locations

45 Tower Ct
Gurnee, IL 60031
Phone (847) 623-3200

3115 Lewis Ave
Zion, IL 60099
Phone (847) 746-3752

13950 W Capitol Dr
Brookfield, WI 53005
Phone (414) 302-5400

10400 75th St
Kenosha, WI 53142
Phone (262) 697-7000

3301 W Forest Home Ave
Milwaukee, WI 53215
Phone (414) 389-2233

1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056

3821 Spring St
Mount Pleasant, WI 53405
Phone (262) 687-8460

3807 Spring St
Mount Pleasant, WI 53405
Phone (262) 687-8173

201 N Mayfair Rd
Fl 2
Wauwatosa, WI 53226
Phone (414) 771-8228

Interoperability endpoints

  • Direct secure messaging: hkaza361214@direct.myadvocateaurora.org

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 8

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1153612800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1598786436",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3115 LEWIS AVE",
            "city": "ZION",
            "state": "IL",
            "postal_code": "600993099",
            "telephone_number": "847-746-3752"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "515 22nd Ave",
            "address_purpose": "LOCATION",
            "city": "Monroe",
            "state": "WI",
            "postal_code": "535661569",
            "country_code": "US",
            "telephone_number": "608-324-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KAZA",
        "first_name": "HARSHA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-23",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "46268",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036-110833",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DEAN HEALTH PLAN",
            "identifier": "13561",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHYSICIANS PLUS",
            "identifier": "1043509",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "390808509",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WEA INS",
            "identifier": "90002361",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WPS",
            "identifier": "390808509",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CT GENERAL",
            "identifier": "390808509",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34466000",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "P00151657",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIRSP",
            "identifier": "34466000",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITY",
            "identifier": "390808509CW",
            "state": null
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hkaza361214@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "3115 Lewis Ave",
            "city": "Zion",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600993099",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "3115 Lewis Ave",
            "city": "Zion",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600993099",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Zion, IL

Sources for this page

Verify at the official NPI Registry.